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- W4297514935 abstract "Physical optics (PO) is a classic asymptotic method, for e.g. scattering analysis and antenna placement analysis. In the latter case point source illuminations are employed. This paper considers mesh-based PO, where the structure is meshed with large numbers of elements, typically triangles. A crucial step is to determine the geometric visibility of each mesh element/edge centroid. Not much has been published on methods yielding optimal runtime cost scaling for point source shadowing determination. This paper presents results with a new image-space buffer shadowing determination algorithm which relies on recursive multi-level subdivision of the source’s field-of-view. Optimal, linear runtime cost scaling is demonstrated for a very challenging test case." @default.
- W4297514935 created "2022-09-29" @default.
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- W4297514935 date "2022-09-05" @default.
- W4297514935 modified "2023-10-18" @default.
- W4297514935 title "Fast Point Source Shadowing Determination for Mesh-Based Physical Optics Analysis" @default.
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- W4297514935 doi "https://doi.org/10.1109/iceaa49419.2022.9899935" @default.
- W4297514935 hasPublicationYear "2022" @default.
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